One end of the windpipe is connected with a unidirectional inflating valve.气管的一端与单向充气阀连接.Experiment materials: jar , windpipe, limewater, flume and the experiment record chart for each group.学生用材料: 广口瓶 、 导气管 、 石灰水、火柴、集气瓶...
他面无表情地站在那里，听法官宣布判决。He stood emotionless as he heard the judge pass sentence.出席葬礼的人大多都面无表情地静静站着。Most of those attending the funeral stood silently showing little emotion.他面无表情，但亚历克斯能感觉到他未明言的批评之意。His face was expressionles...
The company was coasting on the enormous success of its early products.公司凭借早期产品的巨大成功而在市场上遥遥领先。It was forbidden to build any ship larger than a mere coasting - boat.禁止建造任何比沿岸航行的船只更大的轮船.This process is analogous to a car c...
Her chin went up and she smiled, the corners of her eyes crinkling.她将下巴翘得高高的, 眼角微微蹙起来,落落大方地微笑着.He shrugged whimsically, his eyes crinkling behind his glasses...他滑稽地耸了耸肩，眼镜片后面的双眼眯了起来。Applying for travel, picnic, leisure c...
The welding is so smooth that you can hardly see where the sections of pipe are joined together.这管子焊接得很光滑,你很难看出什么地方是焊接的.The welding conditions should always be neutral or slightly oxidizing.焊接气氛必须永远保持中性或微氧化.All skilled w...
她穿的那件轻薄的粉红色连衣裙在身后飘舞。She was wearing a flimsy pink dress that streamed out behind her.他把其他的摩托车手甩在身后。He left a host of other riders trailing in his slipstream.他双手紧扣，背在身后，在走廊里踱来踱去。He paced the corridor, hands clasped behind...